(* Copyright (C) 2015-2016 Bloomberg Finance L.P.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * In addition to the permissions granted to you by the LGPL, you may combine
 * or link a "work that uses the Library" with a publicly distributed version
 * of this file to produce a combined library or application, then distribute
 * that combined work under the terms of your choosing, with no requirement
 * to comply with the obligations normally placed on you by section 4 of the
 * LGPL version 3 (or the corresponding section of a later version of the LGPL
 * should you choose to use a later version).
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *)

type arity = Full | NA

type call_info =
  | Call_ml (* called by plain ocaml expression *)
  | Call_builtin_runtime (* built-in externals *)
  | Call_na
(* either from [@@val] or not available,
   such calls does not follow such rules
   {[ fun x y -> (f x y) === f ]} when [f] is an atom
*)

type t = { call_info : call_info; arity : arity }

let dummy = { arity = NA; call_info = Call_na }
let builtin_runtime_call = { arity = Full; call_info = Call_builtin_runtime }
let ml_full_call = { arity = Full; call_info = Call_ml }
